Answer to Question #28713 in Inorganic Chemistry for miguel

The excellent solubility in water allows it toreceive perchlorates of any metal. In our situation this metal isCr. The chemical equation will be6NaClO4 + Cr2O3 = 3Na2O + 2Cr(ClO4)3We got the perchlorate of chromium and oxide of sodium. It is thereaction of exchange.